ada4304-3 Analog Devices, Inc., ada4304-3 Datasheet
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ada4304-3
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ada4304-3 Summary of contents
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... CATV distribution systems Splitter modules Digital cable ready (DCR) TVs GENERAL DESCRIPTION The ADA4304-3/ADA4304-4 are 75 Ω active splitters for use in applications where a lossless signal split is required. Typical applications include multituner digital set-top boxes, cable splitter modules, multituners/digital cable ready (DCR) ...
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... ADA4304-3/ADA4304-4 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagrams............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution.................................................................................. 4 Pin Configurations and Function Descriptions ........................... 5 REVISION HISTORY 11/07—Revision 0: Initial Version Typical Performance Characteristics ..............................................6 Test Circuits........................................................................................9 Applications..................................................................................... 10 Circuit Description .................................................................... 10 Evaluation Boards ...................................................................... 10 RF Layout Considerations ...
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... Output referred 100 MHz POWER SUPPLY Nominal Supply Voltage Quiescent Supply Current 1 Characterized with 50 Ω noise figure analyzer. = 97.25 MHz 103.25 MHz 97.25 MHz 103.25 MHz 1 2 Rev Page ADA4304-3/ADA4304-4 ADA4304-3 ADA4304-4 Min Typ Max Min Typ Max 2400 2400 54 865 54 865 3.3 2.9 1 ...
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... Table 3. Thermal Resistance Package Type θ 16-Lead LFCSP (Exposed Pad) 98 Maximum Power Dissipation The maximum safe power dissipation in the ADA4304-3/ ADA4304-4 package is limited by the associated rise in junction temperature ( the die. At approximately J 150°C, which is the glass transition temperature, the plastic changes its properties ...
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... VOUT2 VCC 1 ADA4304-3 VCC 2 11 GND TOP VIEW GND 3 10 VOUT3 (Not to Scale) VIN 4 9 GND CONNECT Figure 4. ADA4304-3 Pin Configuration Table 4. ADA4304-3 Pin Function Descriptions Pin No. Mnemonic 1, 2, 15, 16 VCC GND 4 VIN VOUT3 12 VOUT2 13 VOUT1 ...
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... T = –40° 100 FREQUENCY (MHz) Figure 9. Noise Figure vs. Frequency ADA4304 ADA4304 100 FREQUENCY (MHz) Figure 10. Output IP2 vs. Frequency ADA4304 ADA4304 100 FREQUENCY (MHz) Figure 11. Output IP3 vs. Frequency 1000 1000 1000 ...
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... –40° +85° –1 –2 –3 –4 –5 –6 40 100 1000 FREQUENCY (MHz) Figure 12. ADA4304-3 Gain vs. Frequency +25° –40° +85° –1 –2 –3 –4 –5 –6 40 100 ...
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... ADA4304-3/ADA4304-4 100 –60 –40 – –50 –30 – TEMPERATURE (°C) Figure 18. Quiescent Supply Current vs. Temperature 60 80 100 Rev Page ...
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... NOTES 1. TESTED FOR ALL COMBINATIONS OF VOUTm AND VOUTn. Figure 19. Test Circuit for Transmission, Isolation, and Reflection Measurements 75Ω Figure 20. Test Circuit for Output-to-Output Isolation Measurements Rev Page ADA4304-3/ADA4304-4 RF NETWORK ANALYZER 75Ω S-PARAMETER TEST SET VOUTm VIN DUT 4 75Ω ...
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... AC coupling capacitors of 0.01 μF are recommended for the input and outputs μH RF choke (Coilcraft chip inductor 0805LS-102X) is required to correctly bias the internal nodes of the ADA4304-3/ ADA4304-4. It should be connected between the 5 V supply and the IL pin (Pin 14). The choke should be placed as close as possible ...
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... Figure 22. Evaluation Board Figure 23. Evaluation Board Component Layout Rev Page ADA4304-3/ADA4304-4 ...
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... SEATING PLANE ORDERING GUIDE Model Temperature Range 1 ADA4304-3ACPZ-RL −40°C to +85°C 1 ADA4304-3ACPZ-R7 −40°C to +85°C 1 ADA4304-3ACPZ-R2 −40°C to +85°C 1 ADA4304-4ACPZ-RL −40°C to +85°C 1 ADA4304-4ACPZ-R7 −40°C to +85°C 1 ADA4304-4ACPZ-R2 −40°C to +85° RoHS Compliant Part. ...